HTC U Ultra vs. Xiaomi Redmi 6

Phone Comparison, Reviews and Tests

In depth comparison and review of HTC U Ultra and Xiaomi Redmi 6. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

HTC U Ultra vs. Xiaomi Redmi 6 Comparison Chart
DESIGN AND DIMENSIONS HTC U Ultra Xiaomi Redmi 6
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 145.99 mm 147.5 mm Xiaomi Redmi 6 has greater height than HTC U Ultra.
Width 72.9 mm 71.5 mm HTC U Ultra has greater width than Xiaomi Redmi 6.
Depth 7.99 mm 8.3 mm HTC U Ultra is narrower than HTC U Ultra.
Weight 145 g 146 g HTC U Ultra is lighter than HTC U Ultra.
Body Colour Brilliant black Gold | Black | Blue | Dark grey
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.48 W/kg (body), 0.4 W/kg (head) 1.417 W/kg (body), 0.55 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY HTC U Ultra Xiaomi Redmi 6
Display Type LCD display LCD display
Display Technology Super LCD IPS
Screen Size (Display Size) 5.2" 5.45" Xiaomi Redmi 6 has larger screen size than HTC U Ultra.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1440 x 720 pixels HTC U Ultra has better screen resolution than Xiaomi Redmi 6.
Display Format Full HD HD+
Pixel Density 428 ppi 295 ppi HTC U Ultra has better pixel density than Xiaomi Redmi 6.
Aspect Ratio - 18:9
Colour Depth - 16.7 million colours
Contrast Ratio - 1000:1
Display Features - Night Display, Sunlight Display, Reading mode, Colour temperature adjustment
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR HTC U Ultra Xiaomi Redmi 6
Processor Type (CPU) MediaTek Helio P10 MediaTek Helio P22
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
MEMORY HTC U Ultra Xiaomi Redmi 6
RAM 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 22.8 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 256 GB
CAMERA HTC U Ultra Xiaomi Redmi 6
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 12 Megapixel HTC U Ultra has better camera resolution than Xiaomi Redmi 6.
Sensor Type BSI -
Lens Aperture F/2.0 F/2.2 HTC U Ultra has better lens aperture than HTC U Ultra.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - HTC U Ultra has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) 28 mm -
Special Effects - Portrait, HDR, low light enhancement
HDR Mode Auto HDR mode -
Camera Modes Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode Burst mode, realtime Beautify
Face Recognition (Face ID) Face detection - HTC U Ultra has face detection.
Light Source Dual LED flash LED light
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 640 x 480 (VGA) at 30 fps, Slo-mo video 640 x 480 (480p) at 120 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Video Pic Phase Detect Auto-Focus (PDAF)
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Aperture (2nd Camera) - F/2.2
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 5 Megapixel HTC U Ultra has better front camera resolution than Xiaomi Redmi 6.
Sensor Type (Front) BSI -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 F/2.2 HTC U Ultra has better front lens aperture than HTC U Ultra.
Focus Adjustment Automatic -
Min Focal Length (Front) 26.5 mm -
Special Effects (Front) Live make-up HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) Beauty mode, portrait mode
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 6 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds Selfie countdown, age recognition
BATTERY AND CHARGING HTC U Ultra Xiaomi Redmi 6
Battery Capacity (Battery Size) 2500 mAh 3000 mAh Xiaomi Redmi 6 has larger battery capacity than HTC U Ultra.
Standby Time 427.54 hours -
Talk Time 912 minutes -
Run Time Details Talk (3G): up to 912 min
Standby (3G): up to 427.54 hrs
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CELLULAR HTC U Ultra Xiaomi Redmi 6
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0 (Marshmallow) Android 8.1 Oreo
User Interface HTC Sense MIUI 9
Intelligent Assistant HTC Sense Companion -
Navigation GPS, GLONASS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS HTC U Ultra Xiaomi Redmi 6
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 4.2
NFC Yes - HTC U Ultra has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA HTC U Ultra Xiaomi Redmi 6
Supported Digital Audio Standards WAV, AAC, MP3, FLAC, OGG, M4A, MID AAC, PCM, Ogg Vorbis, MP3, AAC +, OPUS, AMR-WB, AMR-NB, WAVE
Supported Digital Video Standards MKV, MPEG-4, 3GP, TS, WebM FLV, AVC, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG-4 SP
Sound Enhancements HTC BoomSound Hi-Fi Edition -
FEATURES HTC U Ultra Xiaomi Redmi 6
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Ambient light sensor, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader Fingerprint reader
Additional Phone Features AirPlay wireless streaming, sharing media via DLNA, Wi-Fi Miracast, Noise Cancellation Technology, Flip to Mute function, Power Saving Mode, Wi-Fi Calling, Pocket mode, Hi-Res Audio, Motion Launch, Android Sensor Hub, HTC Connect, Extreme power saving mode, Hi-Res audio stereo recording, HTC Usonic, Quiet ring on pick up AI face unlock
OTHERS HTC U Ultra Xiaomi Redmi 6
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool
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